sera guide - Healthy pond fish

9 2.2 Diseases caused by bacteria Treatment: page 26 Treatment: page 26 Observation Fins rot away with white edges, in final stages up to the fin base. Diagnosis: Fin rot Observation Pale gills, milky skin areas, the gill filaments decompose in final stages. Diagnosis: Bacterial gill rot (mostly secondary infection, e.g. after a parasite infestation) Fin rot in its final stage Bacterial gill rot (gill lid removed)